noun
-
the act or process of extruding
-
-
the movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock
-
any igneous rock formed in this way
-
-
a component or length of material formed by the process of extruding
-
The emission of lava onto the surface of the Earth.
-
◆ Rocks that form from the cooling of lava are generally fine-grained (because they cool quickly, before large crystals can grow) and are called extrusive rocks.
-
Compare intrusion
-
The process of making a shaped object, such as a rod or tube, by forcing a material into a mold.
Other Word Forms
Etymology
Origin of extrusion
1530–40; < Medieval Latin extrūsiōn- (stem of extrūsiō ), equivalent to Latin extrūs ( us ) (past participle of extrūdere to extrude ) + -iōn- -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Extrusion is a method by which the dry ingredients – plant proteins and fats – are fed into a machine along with a steady stream of water.
From Salon • Nov. 25, 2024
Extrusion technologies which have been used in the food industry for years - think hot dogs and pasta - are also being applied successfully in cultivated meat production.
From BBC • Oct. 31, 2021
Hall was president and chief executive officer of Texas Aluminum Corp. and general counsel of Texas Extrusion Co.
From Seattle Times • Mar. 7, 2019
Hall stayed out of the public arena for eight years by working in the private sector as the president and CEO of Texas Aluminum Corporation and general counsel of Texas Extrusion Company.
From Fox News • Mar. 7, 2019
Extrusion is simply melting down a bunch of PE pellets, then forcing the molten goo through a thin slit opening with pressure, thus producing a flat basesheet.
From Time Magazine Archive
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
